class.c (vtbl_init_data_s): Change the type of fns to VEC(tree,gc)*.

class.c (vtbl_init_data_s): Change the type of fns to VEC(tree,gc)*.

	* class.c (vtbl_init_data_s): Change the type of fns to
	VEC(tree,gc)*.
	(build_vtbl_initializer, add_vcall_offset, add_vcall_offset):
	Use VEC instead of VARRAY.

From-SVN: r99376